PC shuts down when accessing wireless network

We did recently change our router settings, so that could be the reason, but what's happening is the tablet starts up fine, and then finds the wireless network. When we click on "connect" it immediately shuts itself down. Can't seem to find a solution anywhere (our regular computers are macs and the router settings are optimized for mac).
thanks for any help,
jeff

Check in Device Manager to see if there is a problem with the Wireless Network Adapter. If you see a Yellow! or a RedX, then right-click on the network adapter see what the status of it is. It has a troubleshooting section. The only part of your wireless adapter that could possibly shut down the computer would be the driver.

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Access point (router)
Access points (routers) are two-way transceivers that broadcast data into the surrounding environment. Access points act as a mediator between wired and wireless network. Most routers have a built-in DSL modem that will allow you access to a high speed DSL internet connection. The ISP (Internet Service Provider) you have chosen normally supplies a modem/router with the subscription to their services. Read carefully the documentation supplied
with your Access point/router for detailed setup instructions

Firstly Check if your WIFI router is working by accessing the WIFI connection from another computer, tablet or phone.

If it does, then use the same WiFi connection settings that it has on your ARCHOS.

You could also try connecting your ARCHOS to a friend's WiFi network and if this works, change your access point parameters to similar ones.

OTHER TROUBLESHOOTING OPTIONS:
1. Check your WiFi router/modem documentation to see if it has a pairing button that needs to be pressed. Some modems have such a button that must be pressed the very first time you try to make a WiFi connection with a new device.

2. If you have to enter a password (a security code of type WEP or WPA) be very careful that you do not confuse a 1 and I (one and letter "I"), a 0 and O (zero and letter "O"), or U and V. These are common mistakes.

3. When entering a security code for your WiFi access, check the box "Show Password" which will allow you to see exactly what you are typing in. This will avoid any mistakes.

4. Some access points use what is known as MAC filtering. That means, the WiFi access point has a list of access numbers (every hardware device has a unique MAC number) which are the only ones allowed to access to the WiFi point. The person managing the WiFi modem/router should shut off this MAC filtering system to see if this solves the problem. It is recommended to shut off MAC filtering in general as this is now known to be an outdated and ineffective system for WiFi security. If you must use it, you can find your device's specific MAC address by going to Settings >Wireless & Networks > Wi-Fi settings > Menu > Advanced. It will look something like 00:16:dc:5e:9e:39.

5. Try temporarily shutting off the encryption system of your WiFi router/modem to see if the problem has to do with the encryption system you are using. The preferred encryption system is the WPA2.

Try connecting to the Internet through the ethernet port (via a cable). If Internet Explorer loads the target page then you have a configuration problem with WI-Fi access : The wireless security settings are not allowing the computer to access the Internet.If Internet Explorer does not connect with the cable then the problem resides with Internet Explorer. Try to reset the defaults. To confirm that download FireFox and use it. Besides you need two browsers just in case one acts up.

This may be a really stupid response, but HPs (maybe only their tablets?) are notorious for randomly shutting down the wifi connection - I know it happens on my TouchSmart. Just as a precaution, check to see if the wireless LED is off or has turned red (on newer models it's at the top of the keyboard toward the right) and try to toggle it using either the hardware switch or Fn-key combo specific to your machine.

LETS CHECK YOUR INTERNET CONNECTION FIRST
Here are the recommended steps to connect to a wireless base router 1. Check and remove power from both your router and the DSL ROUTER/CABLE ROUTER MODEM 2. Wait one complete minute until applying power to modem then wait one minute before applying power to wireless router. 3. Ensure you have green lights across both devices, specifically, the recieved and sent lights. These same lights will tend to blink rapidly when there is active data, at times this will still blink, and a DNS error will prevent you from connecting to the internet. If this is the case, call your ISP Internet service provider 4. Check your authentication Security key on your router first, then check all your wireless devices to ensure they are on the same network name, key, and channel with the same type of encryption as the router 5. Start one device at a time and check for connectivity, if your still experiencing a problem, check the settings on all your wireless adapters, device drivers, internet browser settings, firewalls and proceed. 6. still have problems, connect a rj45 cable from the router directly to your computer to at least see if your wireless settings are bad or if the router may be bad. 7. Contact your ISP to determine if your receiving singal 8. Avoid using a splitter or parital power backup for yours routers 9. Still having problems, change your wireless router only after your ISP changes their faulty modem 10.Attempt the same process when setting up your new wireless router and or modem

Wi-Fi Passwords are case sensitive. Please check again if you entered the password with proper casing and you did not put any extra white space in front or behind. I know, this sounds annoying, but it is really the most common cause for connection problems.

Give your network a unique SSID. This is the network name that shows up in the list of detected networks. Default names like LINKSYS can be troublesome if a neighbor one block down the street happens to have a router from the same company.

Some routers have a MAC address filter as a security measure, limiting service to devices specifically whitelisted. If your router is set up for this, add your Kindle's MAC address to the list of permitted devices. See your router's configuration under Wireless > Wireless MAC Filter. You can check the MAC of your Kindle from its settings page (press HOME, MENU, select SETTINGS, see paragraph headlined "Device Info".

There are twelve different standards for Wi-Fi transmission collected under the hood IEEE 802.11. The four most dominant transmission modes are called a, b, g and n. They differ in radio frequency, modulation method and data rate. Kindle supports the two standards IEEE 802.11 b and g only, which is not really a problem because all wireless routers I ever encountered support one or both of these, too. However, the Linksys N-series can be set up to use 802.11n exclusively, not allowing for b or g connections. In the router menu Wireless > Basic Wireless Settings (Manual Setup), make sure the network mode is configured as "Mixed".

Please add a comment to this solution if one of these items resolved your problem. If you suffered from a different issue I did not think of, it would be nice to drop me a line, too. Other people will benefit from any experience you made.

Wi-Fi Passwords are case sensitive. Please check again
if you entered the password with proper casing and you did not put any
extra white space in front or behind. I know, this sounds annoying, but
it is really the most common cause for connection problems.

Give your network a unique SSID. This is the network
name that shows up in the list of detected networks. Default names like NETGEAR can be troublesome if a neighbor one block down the street
happens to have a router from the same company.

Some routers have a MAC address filter as a security
measure, limiting service to devices specifically whitelisted. If your
router is set up for this, add your Kindle's MAC address to the list of
permitted devices. You can check the MAC of your Kindle from its
settings page (press HOME, MENU, select SETTINGS, see paragraph
headlined "Device Info".

There are twelve different standards for Wi-Fi
transmission collected under the hood IEEE 802.11. The four most
dominant transmission modes are called a, b, g and n. They differ in
radio frequency, modulation method and data rate. Kindle supports the
two standards IEEE 802.11 b and g only, which is not really a problem
because all wireless routers I ever encountered support one or both of
these, too. However, the WPN824v3 belongs to the "RangeMax" series of NetGear routers. In combination with certain Netgear wireless network adapters, it can be set up to use a proprietary modification of 802.11g exclusively (108Mb/sec, doubling the 54Mb/sec for 802.11g),
not allowing for standard b or g connections. Make sure it allows standard b+g connections, too.

Please add a comment to this solution if
one of these items resolved your problem. If you suffered from a
different issue I did not think of, it would be nice to drop me a line,
too. Other people will benefit from any experience you made.

If you are talking about the "password" that you need to connect to your wireless network, you have to access the router buy having a computer plugged in it directly through ethernet and change the settings in the router.Thank you,Lee